
简便计算
9999+999+99+93.2x12.5x253.6x0.251.25x88103x561.8x99+1.83.8x9.9+0.387/25x103-7/25x2-7/...
9999+999+99+9 3.2x12.5x25 3.6x0.25 1.25x88 103x56 1.8x99+1.8 3.8x9.9+0.38 7/25x103-7/25x2-7/25 1.01x9.6 102x0.87 2.6x9.9 7/32x31+7/32 12/17x2/3+2/3除17/5 33/37x36 33/37x38 13.5x27+13.5x72+13.5 5.3x1/4+2.7x25% 28x21.6-2.8x16 5.6x1.7+0.56x83
【80-(20+4)-20】+3 1除1+0除26+26 除1 7.5-7.5x(7.5-7.5)除7.5 (1/2-1/3+1/4-1/6+1/12)除1/24 1/2+1/4+1/8+1/16+1/32+1/64 5/6x6/5-9/10除9/5 4-5/11-7/11 1/8x58+1/8x41+1/8 1/12+1/20+1/30+。。。。。。+1/90 0.74除(71x74/100) 9.3除(4+100/93) 展开
【80-(20+4)-20】+3 1除1+0除26+26 除1 7.5-7.5x(7.5-7.5)除7.5 (1/2-1/3+1/4-1/6+1/12)除1/24 1/2+1/4+1/8+1/16+1/32+1/64 5/6x6/5-9/10除9/5 4-5/11-7/11 1/8x58+1/8x41+1/8 1/12+1/20+1/30+。。。。。。+1/90 0.74除(71x74/100) 9.3除(4+100/93) 展开
2个回答
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原式=10000+1000+100+10-4
=11110-4
=11106
原式=0.4*8*12.5*25
=10*8*12.5
=10*100
=1000
原式=36/10*1/4
=9/10
原式=1.25*(80+8)
=1.25*80+1.25*8
=100+10
=110
原式=(100+3)*56
=5600+3(50+6)
=5600+150+18
=5750+18
=5768
原式=1.8(100-1)+1.8
=180-1.8+1.8
=180
原式=3.8*(10-0.1)+0.38
=38-0.38+0.38
=38
原式=7/25(100+3-2-1)
=7/25*100
=7*4
=28
原式=(1+0.01)*9.6
=9.6+0.096
=9.696
原式=(100+2)*0.87
=87+2(0.8+0.07)
=87+1.6+0.14
=87+1.74
= 88.74
原式=2.6*(10-1)
=26-2.6
=23.4
原式=7/32(30+1+1)
=7/32*32
=7
原式=2/3(12/17*17/5)(原式中除应是【除以】 )
=2/3*12/5
=8/5[从这题可以看出来【除】应是【除以】1除1+0除26+26 除1 7.5-7.5x(7.5-7.5)除7.5 ]
原式=(33*36)/37
=[33*(40-4)]/37
=[33*40-33*4]/37
=[30*40+3*40-30*4-3*4]/37
=[1200+120-120-12]/37
=1200*1/30+1200*1/7-12*1/30-12*1/7
=40+1200/7-0.4-12/7
=39.6+[1200-12]/7
=39.6+1288/7
原式=同上
原式=13.5[27+72+1]
=13.5*100
=1350
原式=1/4[5.3+2.7]
=1/4*8
=2
原式=28*21.6-28*1.6
=28[21.6-1.6]
=28*20
=560
原式=5.6*1.7+5.6*8.3
=5.6*10
=56
原式=80-20-20-4+3
=40-1
=39
原式=1+0+26/17.5-7.5*0(原式中的除应是【除以】)
=1+26/17.5
=1又17.5分之26
原式=【6/12-4/12+3/12-2/12+1/12】/1/24
=【10/12-6/12】*24
=4/12*24
=4*2
=8
原式=32/64+16/64+8/64+4/64+2/64
=32/64+2/64+8/64+16/64+4/64
=32/64+10/64+20/64
=62/64
=31/32
原式=1-1/2
=1/2
原式=4-(5/11+7/11)
=4-12/11
=3-1/11
=2又11分之2
原式=1/8【58+41+1】
=1/8*100
=25/2
原式应是1/10+1/20+1/30……+1/90
=1/10+1/90+1/20+1/80+1/30+1/70+1/40+1/60+1/50
=1/10+1/90+1/30+2/30+4/80+1/80+2/80+1/50+1/70
=1/10+1/70+1/90+3/30+7/80+1/50
=7/70+1/70+4/90+7/80+1/50
=0.1143+0.0875+0.02+4/90
=0.2218+0.0445
=0.2663
原式=0.74/(71*0.74)
=1/71
原式=9.3*1/4+9.3*93/100
=93/100*1/4+93*/100*93/100
=93/100(1/4+93/100)
=0.93*1.18
=1.0974
=
=
=
=
=11110-4
=11106
原式=0.4*8*12.5*25
=10*8*12.5
=10*100
=1000
原式=36/10*1/4
=9/10
原式=1.25*(80+8)
=1.25*80+1.25*8
=100+10
=110
原式=(100+3)*56
=5600+3(50+6)
=5600+150+18
=5750+18
=5768
原式=1.8(100-1)+1.8
=180-1.8+1.8
=180
原式=3.8*(10-0.1)+0.38
=38-0.38+0.38
=38
原式=7/25(100+3-2-1)
=7/25*100
=7*4
=28
原式=(1+0.01)*9.6
=9.6+0.096
=9.696
原式=(100+2)*0.87
=87+2(0.8+0.07)
=87+1.6+0.14
=87+1.74
= 88.74
原式=2.6*(10-1)
=26-2.6
=23.4
原式=7/32(30+1+1)
=7/32*32
=7
原式=2/3(12/17*17/5)(原式中除应是【除以】 )
=2/3*12/5
=8/5[从这题可以看出来【除】应是【除以】1除1+0除26+26 除1 7.5-7.5x(7.5-7.5)除7.5 ]
原式=(33*36)/37
=[33*(40-4)]/37
=[33*40-33*4]/37
=[30*40+3*40-30*4-3*4]/37
=[1200+120-120-12]/37
=1200*1/30+1200*1/7-12*1/30-12*1/7
=40+1200/7-0.4-12/7
=39.6+[1200-12]/7
=39.6+1288/7
原式=同上
原式=13.5[27+72+1]
=13.5*100
=1350
原式=1/4[5.3+2.7]
=1/4*8
=2
原式=28*21.6-28*1.6
=28[21.6-1.6]
=28*20
=560
原式=5.6*1.7+5.6*8.3
=5.6*10
=56
原式=80-20-20-4+3
=40-1
=39
原式=1+0+26/17.5-7.5*0(原式中的除应是【除以】)
=1+26/17.5
=1又17.5分之26
原式=【6/12-4/12+3/12-2/12+1/12】/1/24
=【10/12-6/12】*24
=4/12*24
=4*2
=8
原式=32/64+16/64+8/64+4/64+2/64
=32/64+2/64+8/64+16/64+4/64
=32/64+10/64+20/64
=62/64
=31/32
原式=1-1/2
=1/2
原式=4-(5/11+7/11)
=4-12/11
=3-1/11
=2又11分之2
原式=1/8【58+41+1】
=1/8*100
=25/2
原式应是1/10+1/20+1/30……+1/90
=1/10+1/90+1/20+1/80+1/30+1/70+1/40+1/60+1/50
=1/10+1/90+1/30+2/30+4/80+1/80+2/80+1/50+1/70
=1/10+1/70+1/90+3/30+7/80+1/50
=7/70+1/70+4/90+7/80+1/50
=0.1143+0.0875+0.02+4/90
=0.2218+0.0445
=0.2663
原式=0.74/(71*0.74)
=1/71
原式=9.3*1/4+9.3*93/100
=93/100*1/4+93*/100*93/100
=93/100(1/4+93/100)
=0.93*1.18
=1.0974
=
=
=
=
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